Tip portion of an infusor



FIG. 1 is a top, front and left side elevational view of a third embodiment thereof;

FIG. 2 is a top plan view thereof, the bottom plan view being a mirror image of the plan view shown;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image of the front view shown;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a left side elevational view thereof.

The broken line showing in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tip portion of an infusor, as shown and described. 